Battery housing for a portable telephone



FIG. 1 is a front and upper right perspective view of a battery housing for a portable telephone showing my new design;

FIG. 2 is a left side elevational view thereof, the right side elevational view thereof being a mirror image;

FIG. 3 is a rear elevational view thereof; and,

FIG. 4 is a bottom plan view thereof. 

An ornamental design for a battery housing for a portable telephone, as shown and described. 